Is Twitter Really Worth $10 Billion? — I spent the last week trying to write a column that proved Twitter wasn't worth $10 billion. Then the facts intervened. — Stubbornly, they arranged themselves into a most unexpected conclusion, one that seems almost blasphemy to type …

This Amazing 3-D Desktop Was Born at Microsoft — LONG BEACH, California - The history of computer revolutions will show a logical progression from the Mac to the iPad to something like this SpaceTop 3-D desktop, if computer genius Jinha Lee has anything to say about it.

Why don't MacBooks come with cellular networking? — I've shared John Gruber's theory on this for a while: … It's been long enough since cellular modems in PC laptops became commonplace, and the MacBook line is diverse enough, that the omission of cellular options looks like a deliberate choice …

Tweens + Instagram = Tweenstagram !!! — While hanging with my 12 year old cousin the other day, I unknowingly entered into the world of Tweenstagram, a vastly different space than the Instagram I have grown to know and love (and refresh too often). And what a FASCINATING world it is!

Why Silicon Valley Is the Next Detroit — All good things must come to an end, including Motown and many a once-noble region or hamlet. So I have history on my side when I lob the following grenade: Silicon Valley will take its turn someday, falling from the heights it has attained.

New App Turns Your iPhone Into a Mobile Urine Lab — LONG BEACH, California - For entrepreneur Myshkin Ingawale the logic was unassailable. Everybody pees. And everyone has a cellphone. “There has to be something going on there,” Ingawale told a chuckling crowd at the TED conference.

U.S. ‘Pirate’ Streaming Site Operator Gets Amnesty — February 2011 U.S. authorities seized several domains belonging to major sports streaming sites. — One of the affected domains was Channelsurfing.net, a website where links to external sports streams were listed.

Pinterest For Products Wanelo Raises At North Of $100M — You wouldn't think that a Pinterest where you can buy stuff would be one of the hottest Series A deals of the quarter, but it was. — Wanelo, a site that allows you to bookmark items that you like and, this is crucial …

Boss Talk: What RSA Learned From Its Security Breach — There's a lot of hyperbole in the war against hackers. Art Coviello, the 59-year-old executive chairman of EMC Corp.'s RSA security division, is in a position to size up the real threat. — RSA makes the login security systems used by 95 of the Fortune 100 companies.